//
//  FSNoteViewController.m
//  Trade
//
//  Created by 刘沿 on 16/4/8.
//  Copyright © 2016年 刘沿. All rights reserved.
//

#import "FSNoteViewController.h"
#import "GDataDefines.h"

@interface FSNoteViewController ()

@property(nonatomic,strong)NSMutableArray * dataArray;
@property(nonatomic,assign)int totalCounts; //总条数
@property(nonatomic,assign)int currentPage; //当前页

@end

@implementation FSNoteViewController

- (void)viewDidLoad {
    [super viewDidLoad];
        self.edgesForExtendedLayout = UIRectEdgeNone;

    __weak typeof (self) weakSelf = self;

    
    [self.tableView addHeaderWithCallback:^{
        weakSelf.currentPage = 1;
        [weakSelf loadData]; //加载网络数据
    }];
    [self.tableView headerBeginRefreshing];
    
    [self.tableView addFooterWithCallback:^{
        if ((self.currentPage - 1)*KPageSize < self.totalCounts ){
            [weakSelf loadMore];
            
        }else{
            
            [weakSelf.tableView footerEndRefreshing];
            [weakSelf.view makeToast:@"没有更多了"];
            
        }
        
    }];

    
}


-(NSMutableArray*)dataArray{
    if (_dataArray == nil) {
        _dataArray =   [NSMutableArray array];
    }
    return _dataArray;
}

#pragma mark 加载网络数据
-(void)loadData{
    NSString * userId = [[NSUserDefaults standardUserDefaults]objectForKey:@"userId"];
    NSArray * array = @[@{@"userId":userId},@{@"page":[NSString stringWithFormat:@"%ld",(long)self.currentPage]}];
    [HttpTools postWithURL:KexchgeneralURL arrays:array method:KElectronicsPageMethod success:^(id JSON) {
        if (self.currentPage ==1) {
            [self.dataArray removeAllObjects];
        }
       self.dataArray =  [self getDataList:[JSON dataUsingEncoding:NSUTF8StringEncoding]];
        [self.tableView reloadData];
        [self.tableView headerEndRefreshing];
        self.currentPage++;
        if (self.dataArray.count ==0) {
            [self.view makeToast:@"暂时还没数据哦"];
        }
    } failure:^(NSError *error) {
        [self.tableView headerEndRefreshing];
    }];
    
}

#pragma mark 加载更多
-(void)loadMore{
    NSString * userId = [[NSUserDefaults standardUserDefaults]objectForKey:@"userId"];
    NSArray * array = @[@{@"userId":userId},@{@"page":[NSString stringWithFormat:@"%ld",(long)self.currentPage]}];
    [HttpTools postWithURL:KexchgeneralURL arrays:array method:KElectronicsPageMethod success:^(id JSON) {
        [self.dataArray addObjectsFromArray:[self getDataList:[JSON dataUsingEncoding:NSUTF8StringEncoding]]];
        self.currentPage++;
        [self.tableView footerEndRefreshing];
        [self.tableView reloadData];
    } failure:^(NSError *error) {
        [self.tableView footerEndRefreshing];
    }];
    
}

//得到服务器返回数据中的标题
//传参数：一个服务器返回的二进制数据
-(NSMutableArray*)getDataList:(NSData*)data
{
    NSMutableArray * array = [NSMutableArray array];
    GDataXMLDocument *doc = [[GDataXMLDocument alloc] initWithData: data options:0 error:nil];
    //获取根节点（<交换 >）
    GDataXMLElement *rootElement = [doc rootElement];
    //获取根节点下的节点（数据）
    NSArray *dataArray= [rootElement elementsForName:@"数据"];
    for (GDataXMLElement * elemtenData in dataArray) {
        NSArray * subElement = [elemtenData elementsForName:@"数据要素"];
        for (GDataXMLElement *data in subElement) {
            FSNoteModel * model = [[FSNoteModel alloc] init];
            GDataXMLElement * titleElement = [[data elementsForName:@"标题"] objectAtIndex:0];
            GDataXMLElement * timeElement = [[data elementsForName:@"接收时间"] objectAtIndex:0];
            GDataXMLElement * fileIdElement = [[data elementsForName:@"标识"] objectAtIndex:0];
            model.title = [titleElement stringValue];
            model.time = [timeElement stringValue];
            model.fileId = [fileIdElement stringValue];
            [array addObject:model];
        }
    }
    
    NSArray *countArray= [rootElement elementsForName:@"控制"];
    for (GDataXMLElement * data in countArray) {
        GDataXMLElement * countElement = [[data elementsForName:@"条数"] objectAtIndex:0];
        NSString * counts = [countElement stringValue];
        self.totalCounts = [counts intValue] ;
        
    }
    self.title = [NSString stringWithFormat:@"近期公告(%d)",self.totalCounts];
    return array;
}

-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
    FSNoteModel * model = self.dataArray[indexPath.row];
    CGFloat height = 0;
    CGFloat  titlesize  = [FSHightTool heightbyString:model.title font:14 minsWidth:80];
    
    NSString * desstring = [NSString stringWithFormat:@"%@",model.time];
    CGFloat dessize = [FSHightTool heightbyString:desstring font:13 minsWidth:40];;
    height = titlesize + dessize + 20;
    return  height;
}

#pragma mark-------数据源
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
    
    return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    return self.dataArray.count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
    FSNoteViewCell * cell = [FSNoteViewCell cellWithTableView:tableView];
    FSNoteModel * model = self.dataArray[indexPath.row];
    cell.model = model;
    return cell;
}


-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
    [tableView deselectRowAtIndexPath:indexPath animated:YES];
    FSupCommingModel * model = self.dataArray[indexPath.row];
    FSNoteDetailViewController * noteVC = (FSNoteDetailViewController*)[self.storyboard instantiateViewControllerWithIdentifier:@"NoteDetailVC"];

    noteVC.fileId = model.fileId;

    [self.navigationController pushViewController:noteVC animated:YES];
    
}




@end





